Home / 53,535.48-80,312.40-18,466.92

Finding the Fourth Proportional to 53,535.48, 80,312.40 and 18,466.92

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Solution

The fourth proportional to 53,535.48, 80,312.40 and 18,466.92 is: 27,703.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.48 : 80,312.40 = 18,466.92 : x
  2. Step 2: Convert to fraction form
    53,535.48/80,312.40 = 18,466.92/x
  3. Step 3: Cross multiply
    53,535.48x = 80,312.40 × 18,466.92
  4. Step 4: Simplify right side
    53,535.48x = 1,483,122,665.81
  5. Step 5: Solve for x
    x = 1,483,122,665.81/53,535.48
  6. Step 6: Final answer
    x = 27,703.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.